Abstract: A sacrificial positive active material for a lithium-ion electrochemical element which is a compound of formula (Li2O)x (MnO2)y(MnO)z(MOa)t in which: x+y+z+t=1; 1?x?y?0; 0.97?x?0.6; y?0.45; x ?0.17; y?0; y+z>0; t?0; 1?a<3. M is selected from the group consisting of Fe, Co, Ni, B, Al, Ti, Si, V, Mo, Zr and a mixture thereof.
Type:
Grant
Filed:
May 22, 2018
Date of Patent:
January 24, 2023
Assignees:
SAFT, ENSICAEN, UNICAEN, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
Inventors:
Christian Jordy, Melanie Freire, Valerie Pralong
Abstract: A sacrificial positive active material for a lithium-ion electrochemical element which is a compound of formula (Li2O)x (MnO2)y(MnO)z(MOa)t in which: x+y+z+t=1; 1?x?y?0; 0.97?x?0.6; y?0.45; x ?0.17; y?0; y+z>0; t?0; 1?a<3. M is selected from the group consisting of Fe, Co, Ni, B, Al, Ti, Si, V, Mo, Zr and a mixture thereof.
Type:
Application
Filed:
May 22, 2018
Publication date:
April 30, 2020
Applicants:
SAFT, ENSICAEN, UNICAEN, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)
Inventors:
Christian JORDY, Melanie FREIRE, Valerie PRALONG